﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Entities;
using System.Data;
using System.Data.SqlClient;

namespace DAL
{
    public class TrainDAL : BaseObject
    {
        public TrainDAL()
            : base()
        {

        }

        #region Public Methods
        ///<summary>
        ///Create Obj from ireader.
        ///</summary>

        private Train GetObjectFromReader(IDataReader reader)
        {
            Train temp = new Train();
            temp.TrainID = (reader["TrainID"] is DBNull) ? string.Empty : (System.String)reader["TrainID"];
            temp.RouteID = (reader["RouteID"] is DBNull) ? int.MinValue : (System.Int32)reader["RouteID"];
            temp.MaxSpeed = (reader["MaxSpeed"] is DBNull) ? float.MinValue : float.Parse(reader["MaxSpeed"].ToString());
            temp.MinSpeed = (reader["MinSpeed"] is DBNull) ? float.MinValue : float.Parse(reader["MinSpeed"].ToString());
            temp.StartTime = (reader["StartTime"] is DBNull) ? string.Empty : (System.String)reader["StartTime"];
            temp.Status = (reader["Status"] is DBNull) ? false : (System.Boolean)reader["Status"];
            return temp;
        }

        //Chung
        public DataTable GetTrainByRouteId(int routeId)
        {
            using (SqlConnection conn = CreateConnection())
            {
                SqlCommand cmd = new SqlCommand(this.sp_GetTrainByRoute, conn);
                cmd.CommandType = CommandType.StoredProcedure;
                cmd.Parameters.Add(new SqlParameter("@RouteID", routeId));
                SqlDataAdapter dataAdapter = new SqlDataAdapter(cmd);
                try
                {
                    conn.Open();
                    DataTable tbl = new DataTable();
                    dataAdapter.Fill(tbl);
                    conn.Close();
                    return tbl;
                }
                catch
                {
                    return null;
                }
                finally
                {
                    if (conn.State == ConnectionState.Open)
                        conn.Close();
                }
            }
        }
        public DataTable GetTableTrain(string orderBy)
        {
            using (SqlConnection conn = CreateConnection())
            {
                SqlCommand cmd = new SqlCommand(usp_SelecttbTrainsDynamic1, conn);
                cmd.CommandType = CommandType.StoredProcedure;
                cmd.Parameters.Add(new SqlParameter("@OrderByExpression", orderBy));
                SqlDataAdapter dataAdapter = new SqlDataAdapter(cmd);
                try
                {
                    conn.Open();
                    DataTable tbl = new DataTable();
                    dataAdapter.Fill(tbl);
                    conn.Close();
                    return tbl;
                }
                catch
                {
                    return null;
                }
                finally
                {
                    if (conn.State == ConnectionState.Open)
                        conn.Close();
                }
            }
        }
        ///<summary>
        ///Get List Train and store in a list 
        ///</summary>
        public List<Train> GetList_Train(string whereSql, string orderBy)
        {
            using (SqlConnection conn = CreateConnection())
            {
                SqlCommand cmd = new SqlCommand(usp_SelecttbTrainsDynamic, conn);
                cmd.CommandType = CommandType.StoredProcedure;
                cmd.Parameters.Add(new SqlParameter("@WhereCondition", whereSql));
                cmd.Parameters.Add(new SqlParameter("@OrderByExpression", orderBy));
                conn.Open();
                List<Train> lst = new List<Train>();
                using (IDataReader reader = cmd.ExecuteReader(CommandBehavior.CloseConnection))
                {
                    while (reader.Read())
                    {
                        lst.Add(GetObjectFromReader(reader));
                    }
                }
                conn.Close();
                return lst;
            }
        }

        ///<summary>
        ///Get Train By ID
        ///</summary>
        public Train GetList_Train_By_ID(string TrainID)
        {
            using (SqlConnection conn = CreateConnection())
            {
                SqlCommand cmd = new SqlCommand(usp_SelecttbTrainsByID, conn);
                cmd.CommandType = CommandType.StoredProcedure;
                cmd.Parameters.Add(new SqlParameter("@TrainID ", TrainID));
                Train temp = new Train();
                conn.Open();
                try
                {
                    using (IDataReader reader = cmd.ExecuteReader(CommandBehavior.CloseConnection))
                    {
                        while (reader.Read())
                        {
                            temp = GetObjectFromReader(reader);
                        }
                    }
                }
                catch { }
                finally
                {
                    conn.Close();
                }


                return temp;
            }
        }

        ///<summary>
        ///Using for paging data 
        ///</summary>
        /// <param name="pageIndex">Number of pages</param>
        /// <param name="PageSize">Number of a rows per page</param>
        /// <param name="conditions">Where  fields</param>
        /// <param name="groupBy">Group by fields</param>
        public DataTable Get_TrainAsPaging(string sWhere, string sOrderBy, int pageIndex, int pageSize)
        {
            using (SqlConnection conn = CreateConnection())
            {
                SqlCommand cmd = new SqlCommand(usp_SelecttbTrainsPaged, conn);
                cmd.CommandType = CommandType.StoredProcedure;
                cmd.Parameters.Add(new SqlParameter("@Where", sWhere));
                cmd.Parameters.Add(new SqlParameter("@OrderBy", sOrderBy));
                cmd.Parameters.Add(new SqlParameter("@PageIndex", pageIndex));
                cmd.Parameters.Add(new SqlParameter("@PageSize", pageSize));
                SqlDataAdapter dataAdapter = new SqlDataAdapter(cmd);
                try
                {
                    conn.Open();
                    DataTable tbl = new DataTable();
                    dataAdapter.Fill(tbl);
                    conn.Close();
                    return tbl;
                }
                catch
                {
                    return null;
                }
                finally
                {
                    if (conn.State == ConnectionState.Open)
                        conn.Close();
                }
            }
        }

        ///<summary>
        ///Insert new User
        ///</summary>
        public bool Insert_Train(Train temp)
        {
            using (SqlConnection conn = CreateConnection())
            {
                SqlCommand cmd = new SqlCommand(usp_InserttbTrain, conn);
                cmd.CommandType = CommandType.StoredProcedure;
                cmd.Parameters.Add(new SqlParameter("@TrainID", temp.TrainID));
                cmd.Parameters.Add(new SqlParameter("@RouteID", temp.RouteID));
                cmd.Parameters.Add(new SqlParameter("@MaxSpeed", temp.MaxSpeed));
                cmd.Parameters.Add(new SqlParameter("MinSpeed", temp.MinSpeed));
                cmd.Parameters.Add(new SqlParameter("@StartTime", temp.StartTime));
                cmd.Parameters.Add(new SqlParameter("@Statusd", temp.Status));

                try
                {
                    conn.Open();
                    cmd.ExecuteNonQuery();
                    conn.Close();

                    return true;
                }
                catch (SqlException ex)
                {
                    return false;
                    throw ex;
                }
                finally
                {
                    if (conn.State == ConnectionState.Open)
                        conn.Close();
                }
            }
        }

        ///<summary>
        ///Update a User
        ///</summary>
        public void Update_Train(Train temp)
        {
            using (SqlConnection conn = CreateConnection())
            {
                SqlCommand cmd = new SqlCommand(usp_UpdatetbTrain, conn);
                cmd.CommandType = CommandType.StoredProcedure;
                cmd.Parameters.Add(new SqlParameter("@TrainID", temp.TrainID));
                cmd.Parameters.Add(new SqlParameter("@RouteID", temp.RouteID));
                cmd.Parameters.Add(new SqlParameter("@MaxSpeed", temp.MaxSpeed));
                cmd.Parameters.Add(new SqlParameter("MinSpeed", temp.MinSpeed));
                cmd.Parameters.Add(new SqlParameter("@StartTime", temp.StartTime));
                cmd.Parameters.Add(new SqlParameter("@Statusd", temp.Status));

                try
                {
                    conn.Open();
                    cmd.ExecuteNonQuery();
                    conn.Close();
                }
                catch (SqlException ex)
                {
                    throw ex;
                }
                finally
                {
                    if (conn.State == ConnectionState.Open)
                        conn.Close();
                }
            }
        }

        public void Delete_Train(Train temp)
        {
            using (SqlConnection conn = CreateConnection())
            {
                SqlCommand cmd = new SqlCommand(usp_DeletetbTrain, conn);
                cmd.CommandType = CommandType.StoredProcedure;
                cmd.Parameters.Add(new SqlParameter("@User_Name", temp.TrainID));
                try
                {
                    conn.Open();
                    cmd.ExecuteNonQuery();
                    conn.Close();
                }
                catch (SqlException ex)
                {
                    throw ex;
                }
                finally
                {
                    if (conn.State == ConnectionState.Open)
                        conn.Close();
                }
            }
        }

        #endregion
    }
}
